Test addons support and add tutorial ir control

samples/tutorials/control/infrared.cc

@@ -0,0 +1,47 @@
+#include <opencv2/highgui/highgui.hpp>
+
+#include <glog/logging.h>
+
+#include "mynteye/api.h"
+
+MYNTEYE_USE_NAMESPACE
+
+int main(int argc, char *argv[]) {
+  auto &&api = API::Create(argc, argv);
+
+  // Detect infrared add-ons
+  LOG(INFO) << "Support infrared: " << std::boolalpha
+            << api->Supports(AddOns::INFRARED);
+  LOG(INFO) << "Support infrared2: " << std::boolalpha
+            << api->Supports(AddOns::INFRARED2);
+
+  // Get infrared intensity range
+  auto &&info = api->GetOptionInfo(Option::IR_CONTROL);
+  LOG(INFO) << Option::IR_CONTROL << ": {" << info << "}";
+
+  // Set infrared intensity value
+  api->SetOptionValue(Option::IR_CONTROL, 80);
+
+  api->Start(Source::VIDEO_STREAMING);
+
+  cv::namedWindow("frame");
+
+  while (true) {
+    api->WaitForStreams();
+
+    auto &&left_data = api->GetStreamData(Stream::LEFT);
+    auto &&right_data = api->GetStreamData(Stream::RIGHT);
+
+    cv::Mat img;
+    cv::hconcat(left_data.frame, right_data.frame, img);
+    cv::imshow("frame", img);
+
+    char key = static_cast<char>(cv::waitKey(1));
+    if (key == 27 || key == 'q' || key == 'Q') {  // ESC/Q
+      break;
+    }
+  }
+
+  api->Stop(Source::ALL);
+  return 0;
+}